Fenton, IL · standard
ZIP Code 61251
Whiteside County, Illinois - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 347
- 8/sq mi Low-density area
- $79,464
- Median income Near-median income area
- $190,900
- Median home value Near-median home value
- 0.0%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
Fenton pairs an above-median household income with below-median home values, in a rural, homeowner-dominated area.
- Top 39%
- household income, US ZIPs
- 41st pct
- home value, US ZIPs
- 8
- people per sq mi
- 86%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 61251 against every reporting US ZIP.
ZIP code 61251 is a sparsely populated ZIP (a standard USPS delivery area) in Fenton, Whiteside County, Illinois, home to just 347 residents across 46.3 square miles, a density of 8 people per square mile, in the Chicago time zone.
ZIP 61251 lands in the middle-income range, with a median household income of $79,464 (1% below the average Illinois ZIP), while per-capita income is $32,686. Unemployment is 10.0%, an important qualifier alongside the household-income figure. Median home value is $190,900 (1% below the average Illinois ZIP); 86.1% of occupied homes are owner-occupied.
Formal educational attainment runs low here: just 0.0% of adults hold a bachelor's degree or higher, the median age is 36.1, and the average commute is -. The page also surfaces 6 ZIP codes within roughly 10 miles and 6 more in Whiteside County, so 61251 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 61251, Fenton, IL · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
347
Population
46.3
Area (sq mi)
8
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 61251?
36.1
Median Age
50.4%
Male
49.6%
Female
0.0%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$79,464
Median Household Income
-1% vs state ZIP avg
$32,686
Per Capita Income
8.5%
Poverty Rate
10.0%
Unemployment Rate
How ZIP 61251 ranks among Illinois ZIPs
Fenton, IL household income vs. every Illinois ZIP code
Median household income among 1,334 reporting Illinois ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$79,464 Top 43% higher than 57% of 1,334 Illinois ZIPs
Each bar is a $20K-wide band; taller bars hold more Illinois ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
158housing units
158
Total Housing Units
158
Occupied Units
0
Vacant Units
2.39
Avg Household Size
Occupancy Type
$190,900
Median Home Value
-1% vs state ZIP avg
1957
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 3 business establishments in ZIP 61251, employing approximately 10 people with a combined annual payroll of $516,000.
3
Businesses
10
Employees
$516K
Annual Payroll
1
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Wholesale trade | 3 | 100.0% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 61251 vs 61250 →
ZIP 61251 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 61270
Morrison (61270)
7,306 residents
- 61252
Fulton (61252)
5,436 residents
- 61277
Prophetstown (61277)
3,355 residents
- 61250 2,737
Erie (61250)
2,737 residents
- 61230 1,232
Albany (61230)
1,232 residents
- 61257 1,210
Hillsdale (61257)
1,210 residents
- 61251 347
Fenton (61251)
347 residents
What this shows Among its immediate neighbors, ZIP 61251 ranks #7 by population - useful context the national average alone can't give.
ZIP 61251 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 61250
Erie (61250)
$84,688 median income
- 61270
Morrison (61270)
$80,867 median income
- 61251
Fenton (61251)
$79,464 median income
- 61277
Prophetstown (61277)
$70,363 median income
- 61257
Hillsdale (61257)
$64,107 median income
- 61230
Albany (61230)
$62,344 median income
- 61252
Fulton (61252)
$59,861 median income
What this shows By household income, ZIP 61251 ranks #3 of 7 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 61251, both outside IL so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Whiteside County
Related Areas
Frequently Asked Questions
What county is ZIP code 61251 in?
ZIP code 61251 (Fenton) is located in Whiteside County, Illinois. Whiteside County contains multiple ZIP codes, see the full list at /counties/whiteside-il.
What is the population of ZIP code 61251?
ZIP code 61251 in Fenton, IL has a population of 347 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 61251?
The median household income in ZIP 61251 is $79,464, which is 4% above the national average of $76,288.
What is the average home value in ZIP 61251?
The median home value in ZIP 61251 is $190,900, which is 31% below the national average of $278,155.
What is the demographic makeup of ZIP 61251?
The largest racial group in ZIP 61251 is White at 92.8%.
How many businesses are in ZIP code 61251?
ZIP code 61251 has 3 business establishments employing approximately 10 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What percentage of residents own vs. rent in ZIP 61251?
In ZIP code 61251, approximately 86.1% of occupied housing units are owner-occupied and 13.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 61251?
The poverty rate in ZIP code 61251 is 8.5% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 61251's numbers, next.
- See how ZIP 61251 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Fenton, IL ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.